Availability
Engine Rotating Kits
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Pro LS 4340 Rotating Assembly, 408 Cid., 4.030 bore, 4.000 stroke, 24X, 6.125 rod, 8cc dish, 11.1:1 @ 65cc, 10.6:1 @ 70cc, File-Fit Rings, H Bearings
Part Number: SUM-R24400308
Not Yet Reviewed
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
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Pro LS 4340 Rotating Assembly, 408 Cid., 4.030 bore, 4.000 stroke, 24X, 6.125 rod, 20cc dish, 9.8:1 @ 65cc, 9.4:1 @ 70cc, File-Fit Rings, H Bearings
Part Number: SUM-R244003020
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Rotating Assembly, Street/Strip, Cast Steel Crankshaft, Hypereutectic Dish Pistons, 1 pc Seal, Chevy, 383, Kit
Part Number: ESP-B15504L03068
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Pro LS Rotating Assembly, 330 Cid., 3.810 bore, Standard 3.622 stroke, 24X, 6.125 rod, 7cc dish, 9.8:1 @ 61cc, 9.4:1 @ 65cc, File-Fit Rings, H Bearing
Part Number: SUM-R2436L8107
Not Yet Reviewed
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Pro LS 4340 Rotating Assembly, 383 Cid., 3.903 bore, 4.000 stroke, 24X, 6.125 rod, 5cc dish, 10.9:1 @ 65cc, 10.6:1 @ 68cc, File-Fit Rings, H Bearings
Part Number: SUM-R24409035
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Pro LS 4340 Rotating Assembly, 402 Cid., 4.000 bore, 4.000 stroke, 24X, 6.125 rod, 8cc dish, 11:1 @ 65cc, 10.4:1 @ 70cc, File-Fit Rings, H Bearings
Part Number: SUM-R24400008
Not Yet Reviewed
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Pro LS 4340 Rotating Assembly, 410 Cid., 4.040 bore, 4.000 stroke, 24X, 6.125 rod, 8cc dish, 11.2:1 @ 65cc, 10.6:1 @ 70cc, File-Fit Rings, H Bearings
Part Number: SUM-R24400408
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Pro LS 4340 Rotating Assembly, 415 Cid., 4.065 bore, 4.000 stroke, 24X, 6.125 rod, 6cc dish, 11.5:1 @ 65cc, 10.9:1 @ 70cc, File-Fit Rings, H Bearings
Part Number: SUM-R24400656
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Pro LS Rotating Assembly, 325 Cid., 3.780 bore, Standard 3.622 stroke, 24X, 6.125 rod, 7cc dish, 9.7:1 @ 61cc, 9.3:1 @ 65cc, File-Fit Rings, H Bearing
Part Number: SUM-R2436L7807
Not Yet Reviewed
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Pro LS Rotating Assembly, 325 Cid., 3.780 bore, Standard 3.622 stroke, 24X, 6.098 rod, 7cc dish, 9.7:1 @ 61cc, 9.3:1 @ 65cc, File-Fit Rings, H Bearing
Part Number: SUM-R24367807
Not Yet Reviewed
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Pro LS 4340 Rotating Assembly, 364 Cid., 4.000 bore, 3.622 stroke, 24X, 6.098 rod, 12cc dish, 9.6:1 @ 65cc, 9.2:1 @ 70cc, File-Fit Rings, H Bearings,
Part Number: SUM-R243600012
Not Yet Reviewed
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Pro LS 4340 Rotating Assembly, 370 Cid., 4.030 bore, 3.622 stroke, 24X, 6.125 rod, 12cc Dish, 9.7:1 @ 65cc, 9.3:1 @ 70cc, File-Fit rings, H Bearings
Part Number: SUM-R2436L03012
Not Yet Reviewed
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Pro LS Rotating Assembly, 325 Cid., 3.780 bore, Standard 3.622 stroke, 58x, 6.125 rod, 7cc dish, 9.7:1 @ 61cc, 9.3:1 @ 65cc, File-Fit Rings, H Bearing
Part Number: SUM-R5836L7807
Not Yet Reviewed
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Engine Rotating Assembly, Street, Cast Crank, Hypereutectic Pistons with Pins, Spiro-Locks, I-Beam Rods, Chevy, Small Block Gen I, Kit
Part Number: ESP-B15404E030
Not Yet Reviewed
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Pro LS 4340 Rotating Assembly, 376 Cid., 4.065 bore, 3.622 stroke, 58x, 6.125 rod, 12cc dish, 9.9:1 @ 65cc, 9.4:1 @ 70cc, File-Fit Rings, H Bearings
Part Number: SUM-R5836L06512
Not Yet Reviewed
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Pro LS 4340 Rotating Assembly, 417 Cid., 4.075 bore, 4.000 stroke, 24X, 6.125 rod, 6cc dish, 11.5:1 @ 65cc, 11:1 @ 70cc, File-Fit Rings, H Bearings
Part Number: SUM-R24400756
Not Yet Reviewed
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Pro LS 4340 Rotating Assembly, 347 Cid., 3.903 bore, 3.622 stroke, 24X, 6.125 rod, 7cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings, H Bearings
Part Number: SUM-R2436L9037
Not Yet Reviewed
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Pro LS 4340 Rotating Assembly, 367 Cid., 3.820 bore, 4.000 stroke, 24X, 6.125 rod, 5cc dish, 11:1 @ 61cc, 10.5:1 @ 65cc, File-Fit Rings, H Bearings
Part Number: SUM-R24408205
Not Yet Reviewed
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Engine Rotating Assembly, Street, Cast Crank, Hypereutectic Pistons, I-Beam Rods, Chevy, Small Block, Kit
Part Number: ESP-B15404E060
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Engine Rotating Assembly, Street, Cast Crank, Hypereutectic Pistons, I-Beam Rods, Chevy, Small Block, Kit
Part Number: ESP-B15404E040
Not Yet Reviewed
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Pro LS 4340 Rotating Assembly, 346 Cid., 3.898 bore, 3.622 stroke, 24X, 6.125 rod, 7cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings, H Bearings
Part Number: SUM-R2436L8987
Not Yet Reviewed
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Pro LS 4340 Rotating Assembly, 403 Cid., 4.005 bore, 4.000 stroke, 24X, 6.125 rod, 8cc dish, 11:1 @ 65cc, 10.4:1 @ 70cc, File-Fit Rings, H Bearings
Part Number: SUM-R24400058
Not Yet Reviewed
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Pro LS 4340 Rotating Assembly, 364 Cid., 4.000 bore, 3.622 stroke, 58x, 6.125 rod, 12cc Dish, 9.6:1 @ 65cc, 9.2:1 @ 70cc, File-Fit Rings, H Bearings
Part Number: SUM-R5836L00012
Not Yet Reviewed
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Pro LS Rotating Assembly, 325 Cid., 3.780 bore, Standard 3.622 stroke, 58x, 6.098 rod, 7cc dish, 9.7:1 @ 61cc, 9.3:1 @ 65cc, File-Fit Rings, H Bearing
Part Number: SUM-R58367807
Not Yet Reviewed
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Pro LS 4340 Rotating Assembly, 370 Cid., 4.030 bore, 3.622 stroke, 24X, 6.098 rod, 12cc dish, 9.7:1 @ 65cc, 9.3:1 @ 70cc, File-Fit Rings, H Bearings
Part Number: SUM-R243603012
Not Yet Reviewed
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
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